package com.roncoo.example.util.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;

/**
 * 自定义filter
 *
 * @author wujing
 */
@WebFilter(urlPatterns = "/*")
public class CustomFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        System.out.println("init filter");
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException {
        System.out.println("do filter");
        chain.doFilter(request, response);
    }

    @Override
    public void destroy() {
        System.out.println("destroy filter");
    }

}
